package com.sky.controller.admin;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.github.pagehelper.PageHelper;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Category;
import com.sky.entity.Dish;
import com.sky.entity.Employee;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

@Api(tags = "菜品相关接口")
@RestController("adminDishController")
@RequestMapping("/admin/dish")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    @ApiOperation(value = "菜品分页查询")
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询...");

        PageResult pageResult = dishService.dishPage(dishPageQueryDTO);

        return Result.success(pageResult);
    }

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品...");
        dishService.saveWithFlavor(dishDTO);

        cleanCache("dish_"+dishDTO.getCategoryId());

        return Result.success();
    }

    @ApiOperation("菜品起售、停售")
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable int status, long id) {
        log.info("菜品起售、停售...");
        Dish dish = dishService.getById(id);
        LambdaUpdateWrapper<Dish> lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
        lambdaUpdateWrapper.eq(Dish::getId, id);
        dish.setStatus(status);
        dishService.update(dish, lambdaUpdateWrapper);

        cleanCache("dish_*");

        return Result.success();
    }

    @ApiOperation("批量删除菜品")
    @DeleteMapping
    public Result deleteDish(@RequestParam List<Long> ids) {
        log.info("批量删除菜品...");
        dishService.delDishWithDishFlavor(ids);

        cleanCache("dish_*");

        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> queryDish(@PathVariable Long id) {
        log.info("根据id查询菜品...");
        DishVO dishVo = dishService.getDishAndDishflavorById(id);
        return Result.success(dishVo);
    }

    @ApiOperation("修改菜品")
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品...");
        dishService.updateDishAndDishFlavor(dishDTO);
        cleanCache("dish_*");

        return Result.success();
    }

    @ApiOperation("根据分类id查询菜品")
    @GetMapping("/list")
    public Result<List<Dish>> list(int categoryId) {
        log.info("根据分类id查询菜品...");
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Dish::getCategoryId, categoryId);
        List<Dish> list = dishService.list(queryWrapper);
        return Result.success(list);
    }

    //清除菜品缓存数据
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
    }
}
